Acetylene-gas generator



Aug. 28, 1923.

R. W. MILLER ACETYLENE GAS GENERATOR Filed Oct. 17. 1921 4 Sheets-Sheet1 l/WENTDR WITNESSES R WMIZZ er,

ITTORIIIEYS Aug. 28, 1923.

1,466,540 R. W. MILLER ACETYLENE GAS GENERATOR Filgd Oct. 17, 1921 4Sheets-Sheet 2 INVENTOR c E R 17 Miler,

A TTORNEYS Aug. 28, 1923.

' Rfw. MILLER ACETY LENE GAS GENERATOR Filed Oct. 17. 1921 4Sheets-Sheet 5 Ml VENTOR wmvtssss A TTORNEYS Aug. 28, 1923.

R. W. MILLER ACETYLENE GAS GENERATOR Filed Oct. 17. 4 Sheets-Sheet 4nwmron lie I,

WITNESSES A TTORNEYS Patented Aug. 28, 1923.

Aoii bYrlriNfi oiis GE NEI ilAToR ;=-.i Hi .l :1 Application filedOctober 17, 1921. Serial No; 508,0?0.

Fi liiGis' '11 detail Vertical sctiq'n milieu ii hilili form a graduallyt'apering my. a l 0 Ill] by a spring 33 in the casing 31 which tends toforce the diaphragm downwardly and, controls a valve 34 to which thediaphragm is connected by a stem 35. Valve 34 is disposed in a gaschannel 36, between valve seats 37 and 38 which respectively open intothe regulator pipes 39 and 40, the parts being so arranged that withnormal pressure through the outlet pipe 29 below the diaphragm 32, valve34 will be held as shown,

in Figure 8 free of both of the valve seats,

3? and 38 and thus gas will pass through both of the regulator pipes 139and 40.

"lVhen pressure falls below the desired point, spring 33 will act todepress the diaphragm and thus lower valve 34 onto the lowermost seat3?, cutting oil the flow of gas through the regulator pipe 39 anddeflecting all of the gas through the regulator pipe 40. On

,phragm 32 against the tension of its spring,

the other hand should the pressure increase ticularly or wall 50 havingadjacent to its upper end an spoiling 53 through which the gas passesdownwardly beneath a baille plate 54 car ried by and spaced from thispartition or wall, causing the gas to thus take a tortuous path andfinally emerge from beneath the baffle plate 54 at a point where it willbe forced to pass through the full body of the filtering material 52before tin-ally passing outwardly through the service valve 5i.

The carbide feed valve 19 is engaged within the valve casing 13 by theupper, lyoke shaped end of an arm 55 as seen pararm being secured upon ashort shaft 56 which projects outwardly through the wall of the valvecasing and has secured thereto above the desired point this pressurewill cause upward flexing movement of the d1a-,

and will seat valve 34 against the upper seat 38 so as to cut oil theflow of gas through the regulator pipe 40 and force the gas to passsolely through the pipe 39.

On the water casing 10 at one side of the valve casing 13 beyond thegear 20 of shaft 18 is mounted an upright filter casing 41 whose lowerenlarged portion forms a chamber for a rotor 42 having concavoconvex vperipheral blades 43 acted upon by-the gas rising through water 44 in.the filter casing from the lower end of the regulator pipe 40,

the lower end of a lever 57 shown in Figures in Figure 5, the lower endof this y 2 and 6. This lever is engaged upon the ex- H terior of thevalve casing 13 by one hook and of an adjusting screw as, extendingthrough an outstanding lug 59 of the valve casing and provided with athreaded adjusting nut 60 so that the valve l9 may thus be held in fullyclosed position against the inner end of the elbow 14- while thegenerator is being transported from place to place.

In addition to the above described parts which render the generatorproposed by my invention of a compact, strong and durable nature as awhole, adapting the same to which enters the lower portion of the filtercasing and is in communication with a charrncl 40 opening below therotor, which channel may receive a drain cock 40* as best seen r inFigure 3. This filter easing has a groove in one side wall forming a gaslay-pass chair, nel 4 5 with the lower end of which the regulator pipe39 communicates. The upper end of this groove or channel terminatesabove the level of the water 44 which is supplied to the casing througha valved filling device 46, the level being determined by a valvedoverflow cock 47. y The shaft 48 of the gas actuator rotor 42 extendslaterally through, the inner wall of.-

the filter casing 41 as shown in Figure 4 and is provided with a smallgear wheel 49 in mesh with the gear 20 of the feed shaft 18 'tube 61secured diametrically therethrough for the reception of a bar to beutilized as a handle so that two persons, one upon each,

ready portability, the tanlrlO may have a side of the generator mayreadily carry the same from place to place.

In operation, the opening of the valve 19 and of the gas outlet valve30, permits of ,the formation and passage of gas through 1 the gasoutlet pipe 39 and into the regulator casing 31.

At this time the diaphragm 32 will be in lowered position with the valve34 cutting off the .lator pipe 39.

iassage of gas to the reguaround the rotor 42! so as to start rotationof the latter. of rotation of the rotor the feed of carbide downwardlythrough the valve casing will take place by virtue of the rotation ofthe feed member and the normal operation will then begin. When pressureof gas is built up sufficiently the regulator diaphragm 32 I hus all otthe gas will be .forced to pass through pipe 40 and upwardly Immediatelyupon the start will be elevated and part of the gas will flow throughthe by-pass channel 45 as pre viously described and when there is anover flow supply of gas at any time pressure will seat the valve 34 soas to close the pipe 40 leaving all of the gas to .fiow for the timebeing and until the pressure again drops to,

normal, through the by-pass channel 45.

By the above described construction I provide an acetylene as generatorwhich will be safe, strong and durable and will at the same time becompact and readily portable, especially adapting the same to garage andservice station uses as well as other uses where acetylene gas in smallsteady quantities is desired.

I claim:

1. In a gas generator, a fluid casing having an upper carbide intake, avalve casing secured over the intake, a carbide container, a feed elbowhaving vertical and horizontal portions, the vertical portion of whichsupports said container and the horizontal portion of which openslaterally into the valve casing and has an annular lip projectinginwardly beyond the walls of said valve casing forming a valve seat, andan internal balfie member across its upper portion and spaced from thevalve casin a valve in the valve casing shiftable towar and away fromsaid seat and adapted to control the flow of carbide from the elbow, ashaft extending through the valve casing and axially through thehorizontal portion of the feed elbow and upon which said valve isloosely guided and movable, and a feed member secured on and rotatablewith said shaft in the feed elbow between the said baflle member and thevalve casing, said feed member consisting of spirally curved feed armsrigid at one end with the shaft and tapering to relatively sharp freeends as described.

2. In a gas generator, a fluid casing having an upper carbide intake, avalve casing secured over the intake, a carbide container, a feed elbowhaving vertical and horizontal portions, the vertical portion of whichsupports said container and the horizontal portion of which openslaterally into the valve casing and has an annular lip projectinginwardly beyond the wall of said valve casing forming a valve seat, andan internal bafile member across its upper portion and spaced from thevalve casing, a valve in the valve casing shiftable toward and away fromsaid seat and adapted to control the How of carbide from the elbow, ashaft extending through the valve casing and axiall through thehorizontal portion of the feed elbow and upon which said valve isloosely guided and movable, and a feed member secured on and rotatablewith said shaft in the feed elbow between the said baitle men1- ber andthe valve casing, said feed member consisting of a pair of feed arms, riid at one end with the shaft at diainetrical opposite points, each ofsaid arms in spirally curved around one half of the circumference of theshaft in spaced relation thereto and tapering throughout its length to asharp digging point diametrically opposite to its end connected to theshaft.

ROWLAND WV. MILLER.

